Loans, Allowance for Credit Losses and Credit Quality - Summary of Loan Balances Classified by Credit Quality Indicator, Risk Category, Loan Type and Based on Year of Origination (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022
Financing Receivable Recorded Investment [Line Items]
2023	$ 344,285
2022	861,801
2021	351,045
2020	247,625
2019	94,174
Prior	155,622
Total loans	2,054,552	$ 1,809,278	$ 1,459,830
Current-period gross charge-offs, year one	116
Current-period gross charge-offs, year two	84
Current-period gross charge-offs, year three	196
Current-period gross charge-offs, year four	2
Current-period gross charge-offs, total	398
Pass
Financing Receivable Recorded Investment [Line Items]
2023	341,686
2022	856,890
2021	349,341
2020	245,640
2019	93,376
Prior	142,270
Total loans	2,029,203	1,784,285
Special Mention
Financing Receivable Recorded Investment [Line Items]
2023	2,269
2022	2,815
2021	1,178
2020	1,402
2019	207
Prior	6,570
Total loans	14,441	14,889
Substandard
Financing Receivable Recorded Investment [Line Items]
2023	330
2022	2,096
2021	526
2020	583
2019	591
Prior	6,782
Total loans	10,908	10,104
Home Equity Lines of Credit
Financing Receivable Recorded Investment [Line Items]
2023	17,320
2022	27,548
2021	12,956
2020	5,527
2019	3,330
Prior	11,125
Total loans	77,806	64,215	53,167
Home Equity Lines of Credit | Pass
Financing Receivable Recorded Investment [Line Items]
2023	17,320
2022	27,248
2021	12,906
2020	5,527
2019	3,330
Prior	11,049
Total loans	77,380	63,861
Home Equity Lines of Credit | Special Mention
Financing Receivable Recorded Investment [Line Items]
2022	100
Total loans	100	212
Home Equity Lines of Credit | Substandard
Financing Receivable Recorded Investment [Line Items]
2022	200
2021	50
Prior	76
Total loans	326	142
Residential Real Estate
Financing Receivable Recorded Investment [Line Items]
Total loans	705,241	596,561
Commercial Real Estate
Financing Receivable Recorded Investment [Line Items]
Total loans	599,818	551,457
Construction and Land Development
Financing Receivable Recorded Investment [Line Items]
Total loans	277,688	256,490
Commercial Loans
Financing Receivable Recorded Investment [Line Items]
2023	76,027
2022	117,990
2021	56,195
2020	52,434
2019	12,358
Prior	25,322
Total loans	340,326	290,963	254,345
Current-period gross charge-offs, year one	116
Current-period gross charge-offs, year two	46
Current-period gross charge-offs, total	162
Commercial Loans | Pass
Financing Receivable Recorded Investment [Line Items]
2023	75,769
2022	117,619
2021	55,688
2020	51,949
2019	12,210
Prior	20,564
Total loans	333,799	283,359
Commercial Loans | Special Mention
Financing Receivable Recorded Investment [Line Items]
2023	186
2022	371
2021	507
2020	458
2019	148
Prior	4,231
Total loans	5,901	7,008
Commercial Loans | Substandard
Financing Receivable Recorded Investment [Line Items]
2023	72
2020	27
Prior	527
Total loans	626	596
Consumer Loans
Financing Receivable Recorded Investment [Line Items]
2023	14,538
2022	18,403
2021	10,449
2020	4,808
2019	2,438
Prior	3,037
Total loans	53,673	49,592	45,161
Current-period gross charge-offs, year two	38
Current-period gross charge-offs, year four	2
Current-period gross charge-offs, total	40
Consumer Loans | Pass
Financing Receivable Recorded Investment [Line Items]
2023	14,480
2022	18,195
2021	10,384
2020	4,769
2019	2,431
Prior	2,984
Total loans	53,243	49,206
Consumer Loans | Special Mention
Financing Receivable Recorded Investment [Line Items]
2023	37
2022	139
2021	36
2020	19
2019	7
Prior	4
Total loans	242	238
Consumer Loans | Substandard
Financing Receivable Recorded Investment [Line Items]
2023	21
2022	69
2021	29
2020	20
Prior	49
Total loans	188	148
Mortgage Loans on Real Estate
Financing Receivable Recorded Investment [Line Items]
Total loans	1,582,747	1,404,508
Mortgage Loans on Real Estate | Pass
Financing Receivable Recorded Investment [Line Items]
Total loans		1,387,859
Mortgage Loans on Real Estate | Special Mention
Financing Receivable Recorded Investment [Line Items]
Total loans		7,431
Mortgage Loans on Real Estate | Substandard
Financing Receivable Recorded Investment [Line Items]
Total loans		9,218
Mortgage Loans on Real Estate | Residential Real Estate
Financing Receivable Recorded Investment [Line Items]
2023	122,392
2022	332,981
2021	129,637
2020	74,494
2019	19,330
Prior	26,407
Total loans	705,241	596,561	423,375
Mortgage Loans on Real Estate | Residential Real Estate | Pass
Financing Receivable Recorded Investment [Line Items]
2023	121,287
2022	330,453
2021	128,876
2020	74,139
2019	18,763
Prior	25,562
Total loans	699,080	591,882
Mortgage Loans on Real Estate | Residential Real Estate | Special Mention
Financing Receivable Recorded Investment [Line Items]
2023	1,069
2022	1,641
2021	536
2020	15
2019	28
Prior	349
Total loans	3,638	2,648
Mortgage Loans on Real Estate | Residential Real Estate | Substandard
Financing Receivable Recorded Investment [Line Items]
2023	36
2022	887
2021	225
2020	340
2019	539
Prior	496
Total loans	2,523	2,031
Mortgage Loans on Real Estate | Commercial Real Estate
Financing Receivable Recorded Investment [Line Items]
2023	53,025
2022	199,648
2021	107,042
2020	103,716
2019	53,542
Prior	82,845
Total loans	599,818	551,457	442,698
Mortgage Loans on Real Estate | Commercial Real Estate | Pass
Financing Receivable Recorded Investment [Line Items]
2023	52,058
2022	198,873
2021	106,828
2020	102,620
2019	53,490
Prior	75,239
Total loans	589,108	539,777
Mortgage Loans on Real Estate | Commercial Real Estate | Special Mention
Financing Receivable Recorded Investment [Line Items]
2023	766
2020	910
Prior	1,972
Total loans	3,648	4,706
Mortgage Loans on Real Estate | Commercial Real Estate | Substandard
Financing Receivable Recorded Investment [Line Items]
2023	201
2022	775
2021	214
2020	186
2019	52
Prior	5,634
Total loans	7,062	6,974
Mortgage Loans on Real Estate | Construction and Land Development
Financing Receivable Recorded Investment [Line Items]
2023	60,983
2022	165,231
2021	34,766
2020	6,646
2019	3,176
Prior	6,886
Total loans	277,688	256,490	$ 241,084
Current-period gross charge-offs, year three	196
Current-period gross charge-offs, total	196
Mortgage Loans on Real Estate | Construction and Land Development | Pass
Financing Receivable Recorded Investment [Line Items]
2023	60,772
2022	164,502
2021	34,659
2020	6,636
2019	3,152
Prior	6,872
Total loans	276,593	256,200
Mortgage Loans on Real Estate | Construction and Land Development | Special Mention
Financing Receivable Recorded Investment [Line Items]
2023	211
2022	564
2021	99
2019	24
Prior	14
Total loans	912	77
Mortgage Loans on Real Estate | Construction and Land Development | Substandard
Financing Receivable Recorded Investment [Line Items]
2022	165
2021	8
2020	10
Total loans	$ 183	$ 213